The ancient Babylonians were a remarkable bunch. Among many extraordinary achievements, they found a now-famous mathematical solution to an unpleasant challenge: paying tax. The particular problem for ...

This article describes three approximation methods I used to solve the growth model (Model 1) studied by the National Bureau of Economic Research's nonlinear rational-expectations-modeling group ...

This video explains a simple math concept that’s even easier than solving a quadratic equation. With clear logic and intuitive steps, you’ll see how breaking problems down the right way can make math ...